@function rem($size){
    @return ($size/37.5)*1rem;
}
input{
    border: 0;
    outline: none;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,body{
    height: 100%;
}
.body{
    font-size: rem(16);
}
main{
    padding: rem(50);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: rem(600);
    position: relative;
    input{
        border: 1px solid #999;
        width: 100%;
        height: rem(100);
        padding-left: rem(20);
    }
    .get-code{
        position: absolute;
        top: rem(234);
        right: rem(80);
        font-size: rem(14);
    }
    button{
        border: 0;
        height: rem(100);
        border-radius: rem(4);
        background-color: #FF9900;
        text-align: center;
        line-height: rem(100);
    }
    >p{
        font-size: rem(16);
        color: #666;
        a{
            text-decoration: none;
            color: #FF9900;
        }
    }

}